31644345

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 52614144

約数和(自身を除く): 20969799

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 691, 1065, 2073, 3053, 3455, 9159, 10365, 15265, 29713, 45795, 49061, 89139, 147183, 148565, 245305, 445695, 735915, 2109623, 6328869, 10548115, 31644345]

約数ペア:

[(1, 31644345), (3, 10548115), (5, 6328869), (15, 2109623), (43, 735915), (71, 445695), (129, 245305), (213, 148565), (215, 147183), (355, 89139), (645, 49061), (691, 45795), (1065, 29713), (2073, 15265), (3053, 10365), (3455, 9159)]